US1315370A
|
|
Sorting-machine.
|
US1307683A
|
|
Flexible-connection box.
|
US1307682A
|
|
Set-bar mechanism for perforating-machines.
|
US1274528A
|
|
Tabulating-machine.
|
US1298971A
|
|
Rotary card-sorter.
|
US1245506A
|
|
Automatic total-taking mechanism for accounting-machines.
|
US1245504A
|
|
Tabulator printing-machine.
|
US1287706A
|
|
Carriage-stop mechanism for perforating-machines.
|
US1234348A
|
|
Pin-box for sorting-machines.
|
US1307681A
|
|
Card-feed-delivery mechanism.
|
US1253696A
|
|
Extensible hammer mechanism.
|
US1285252A
|
|
Crank-sector safety-escapement for adding-machines.
|
US1289538A
|
|
Card-feed for statistical card-accounting machinery.
|
US1310433A
|
|
Multisorting machine.
|
US1236482A
|
|
Split pin box for sorting-machines.
|
US1242721A
|
|
Repeat perforating mechanism.
|
US1299022A
|
|
Perforating-machine.
|
US1272089A
|
|
Twelve-key hand-punch.
|
US1248543A
|
|
Combination sales-slip and statistical-card-record recorder.
|
US1274484A
|
|
Tabulating-machine and cards therefor.
|